Operation Instruction: 1. To put the unsoldering equipment ready, and leave handle on the holder 2. To connect the power 3. To set the blast nozzle (large caliber nozzle preferred). 4. To switch on the power, the screen display”-“,it represents standby model (Available in microcomputer with digital LED) 5. To press▲or▼ button (revolving switch )as to set up the temperature. （Available in microcomputer with digital LED) 6. To turn the temperature switch as to set up the required temperature. (Available in luminous discharge tube display indication 7. To hold the handle, so the equipment begin to heat. To adjust the revolving switch of airflow in order to select suitable airflow, and begin to operate normally while the temperature is table. 8. To put back the handle on the holder after the work; meanwhile,the unsoldering equipment switch from heating mode to cooling heating element mode automatically. while the temperature is lower than 100C,the screen displays”-” it stands for switching to standby mode,and after the temperature of heating element is less than 70C,the equipment is on standby. 9. To switch off the power unplug if there is no operation for a long period of time.